Muscle Cramps - Neurologic Disorders - Merck Manual …
https://www.merckmanuals.com/professional/neurologic-disorders/symptoms-of-neurologic-disorders/muscle-cramps
WEBA muscle cramp (charley horse) is a sudden, brief, involuntary, painful contraction of a muscle or group of muscles. Cramps commonly occur in healthy people (usually middle-aged and older adults), sometimes during rest, but particularly during or after exercise or at night (including during sleep). Leg cramps at night usually occur in the calf ...
DA: 25 PA: 98 MOZ Rank: 97